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37551 discussions

Kamailio KeepAlived HA acc_cdrs table record
by Social Boh 20 Jul '21

20 Jul '21

Im' testinf Kamailio HA with Keepalived. I have a problem with acc_cdrs table in this situation: A call B and when the two users are in the call I switch off the active Kamailio. Keepalived pass the Virtual IP to the secondary Kamailio and audio still work because I'm using a remote RTPENGINE server for both Kamailio. The problem is when the call end. On the acc table i can see INVITE and BYE entries but on the acc_cdrs table nothing. Second problem the dialog still present on the table dialog in a Primary/Primary replication. Is there a way to solve it? Thank you Regards -- --- I'm SoCIaL, MayBe

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Kamailio python_exec getting randomly TypeError
by Voip support 19 Jul '21

19 Jul '21

Dear Kamailio users, I am trying to use a python script using the module app_python3 to do some billing calculations. The only argument i want to pass to the python script is duration which i calculate in event_route[dialog:start] { $dlg_var('call_start') = $TS; event_route[dialog:end] { $var('v_duration') = $TS - $dlg_var('call_start'); So my $var('v_duration') has the duration of the call in seconds. Then i execute from my kamailio.cfg: python_exec("calculateCost","$var('v_duration')"); The script works randomly - sometimes all is good and sometimes it throw error : app_python3 [python_support.c:156]: python_handle_exception(): apy_exec: calculateCost(4): Unhandled exception in the Python code: TypeError: an integer is required (got type NoneType) The above exception was the direct cause of the following exception: Traceback (most recent call last): File "/etc/kamailio/kamailio-python.py", line 282, in calculateCost duration = int(duration) It looks like the kamailio log show calculateCost(4) so argument 4 is passed to python function but once it executes it appear like there is no string/integer but NoneType argument. I cannot figure this out why this randomly happens - maybe it's an app_python3 module issue? Looking to hear back from you! BR, Tom

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please help to configure tls in kamailio for webrtc client like simpl5
by ThanhTruong 19 Jul '21

19 Jul '21

Dear, I am trying to make a test to see how can webrtc work in kamailio and tls. I was try some link : 1 <https://github.com/havfo/WEBRTC-to-SIP>. https://github.com/havfo/WEBRTC-to-SIP <https://github.com/havfo/WEBRTC-to-SIP> 2. https://telecom.altanai.com/2018/09/04/kamailio-webrtc-sip-server/ <https://telecom.altanai.com/2018/09/04/kamailio-webrtc-sip-server/> And Generate CA from the link: https://www.kamailio.org/dokuwiki/doku.php/tls:create-certificates <https://www.kamailio.org/dokuwiki/doku.php/tls:create-certificates> Then, I tried to login with simpl5 and i got the message back Disconnected: Failed to connet to the server I do not know how can i fix that issue, look like TLS configure has issue with that. the log is showing something like Jul 14 17:56:16 ip-172-31-44-170 sbin/kamailio[13813]: ERROR: tls [tls_server.c:1283]: tls_h_read_f(): protocol level error Jul 14 17:56:16 ip-172-31-44-170 sbin/kamailio[13813]: ERROR: tls [tls_util.h:42]: tls_err_ret(): TLS accept:error:14094416:SSL routines:ssl3_read_bytes:sslv3 alert certificate unknown Jul 14 17:56:16 ip-172-31-44-170 sbin/kamailio[13813]: ERROR: tls [tls_server.c:1287]: tls_h_read_f(): source IP: 27.65.214.194 Jul 14 17:56:16 ip-172-31-44-170 sbin/kamailio[13813]: ERROR: tls [tls_server.c:1290]: tls_h_read_f(): destination IP: 172.31.44.170 Jul 14 17:56:16 ip-172-31-44-170 sbin/kamailio[13813]: ERROR: <core> [core/tcp_read.c:1493]: tcp_read_req(): ERROR: tcp_read_req: error reading - c: 0x7f4233c60fc0 r: 0x7f4233c610e8 (-1) My tls.cfg is : [server:default] method = SSLv23 verify_certificate = yes require_certificate = yes private_key = /etc/certs/my.domain/key.pem certificate = /etc/certs/my.domain/cert.pem ca_list = /etc/certs/demoCA/cert.pem [client:default] verify_certificate = yes require_certificate = yes Please help me to register sipml5 or how can i create CA for TLS in kamailio to use with webrtc. Thank all.

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Active Profile for sipreply in SEMS
by Mojtaba 17 Jul '21

17 Jul '21

Hello, Does anybody know how i could change white filter in siprelpy in sems? In Kamailio, I got "200 OK" from UE, then add a new header (SBC: mt-reply) and send it to sems server. The sems server remove it: [#7f410fbfb700/4560] [inplaceHeaderFilter, HeaderFilter.cpp:226] DEBUG: erasing header 'sbc' by whitelist I really don't want to remove it. Actually if I knew how i active profile for sip replying in sems, I would be able to solve this. Thanks with regards. -- --Mojtaba Esfandiari.S

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get defined names in kemi script
by Riccardo Villa 16 Jul '21

16 Jul '21

Hello guys, do you know if it’s possible for a kemi script to know if a name is defined (with #!define) in kamailio.cfg? It would be useful to modify kemi script logic depending on feature/module presence. Thanks in advance for your help. Regards, Riccardo -- -- NOTICE: This electronic mail transmission may contain confidential information and is intended only for the person(s) named. Any use, copying, or disclosure by any other person is strictly prohibited. If you have received this transmission in error, please notify the sender via e-mail.

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rtpengine play_media
by Дмитрий Плаксюк 15 Jul '21

15 Jul '21

Greetings. I'm trying to set up annoncement playback for both parts of the call. I have to play the file after the connection is established. Stop_media (all) must be executed before playing It turns out the construction: .... block_media ("all"); play_media ("all file = / etc / kamailio / sounds / mg1.wav"); Can't find a way to do unblock_media ("all"); after the file has finished playing. There are no sip messages in this process. The call has already been established.

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DMQ node list
by Aidar Kamalov 14 Jul '21

14 Jul '21

Hello, I have a kamailio cluster with two nodes kamailio-1.local: 10.101.2.119 kamailio-2.local: 10.101.2.247 with dmq configs: kamailio-1: modparam("dmq", "server_address", "sip:MY_IP4_ADDR:5060") modparam("dmq", "notification_address", "kamailio-2.local:5060") kamailio-2: modparam("dmq", "server_address", "sip:MY_IP4_ADDR:5060") modparam("dmq", "notification_address", "kamailio-1.local:5060") All works fine, but kamcmd dmq.list_nodes on kamailio-1.local show me: { host: 10.101.2.247 port: 5060 resolved_ip: 10.101.2.247 status: active last_notification: 0 local: 0 } { host: kamailio-1.local port: 5060 resolved_ip: 10.101.2.119 status: active last_notification: 0 local: 0 } { host: kamailio-2.local port: 5060 resolved_ip: 10.101.2.247 status: active last_notification: 0 local: 0 } { host: 10.101.2.119 port: 5060 resolved_ip: 10.101.2.119 status: active last_notification: 0 local: 1 } and kamailio-2.local show me: { host: kamailio-2.local port: 5060 resolved_ip: 10.101.2.247 status: active last_notification: 0 local: 0 } { host: 10.101.2.119 port: 5060 resolved_ip: 10.101.2.119 status: active last_notification: 0 local: 0 } { host: kamailio-1.local port: 5060 resolved_ip: 10.101.2.119 status: active last_notification: 0 local: 0 } { host: 10.101.2.247 port: 5060 resolved_ip: 10.101.2.247 status: active last_notification: 0 local: 1 } So there are only two hosts in the cluster, but there are 4 records in dmq.list_nodes. Also in sip trace I can see that kamailio send DMQ messages to itself too (because it ip marked as local: 0 I think). Is it ok? Is it normal behavior? What should I do to fix it? Should multi_notify and DNS name with 2 A records fix it (and why?)? -- Aydar A. Kamalov

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Re: [SR-Users] Subscriber Management using JSONRPC over HTTP
by Surabhi Garg 14 Jul '21

14 Jul '21

Hi Alex, By subscriber management I mean, auth_db module which actually works on subscriber table to add or alter sip account for authentications. Auth_db Module (kamailio.org)<https://kamailio.org/docs/modules/4.4.x/modules/auth_db.html#auth_db.f.auth…> So, similar like usrloc module which you mentioned having JSONRPC commands to alter Location table. I am looking for JSONRPC Command for subscriber module as well. As far as my understanding, currently there is no JSONRPC command available for subscriber table. So, if this is currently a known not offered feature / limitation shall we raise it as feature request if others also agree to its usefulness. What I'm seeking is more of an acknowledgment that this feature doesn't exist & have it's benefit. As I can see other community members either ends up directly interacting with DB for subscriber table provisioning. Maybe I can contribute on this too. Surabhi Garg Mobile - 91 783 888 7523 | Skype - surabhi.garg9 ________________________________ From: sr-users <sr-users-bounces(a)lists.kamailio.org> on behalf of Alex Balashov <abalashov(a)evaristesys.com> Sent: 09 July 2021 01:27 To: Kamailio (SER) - Users Mailing List <sr-users(a)lists.kamailio.org> Subject: Re: [SR-Users] Subscriber Management using JSONRPC over HTTP I am not 100% sure what you mean by subscriber management, but if you mean what I think you mean, these might be the droids you’re looking for: https://kamailio.org/docs/modules/5.5.x/modules/usrloc.html#idm771 — Sent from mobile, with due apologies for brevity and errors. On Jul 8, 2021, at 3:55 PM, Surabhi Garg <surabhi.garg(a)outlook.com> wrote: Hi Team, Greetings! I was trying to use HTTP to do the subscriber management (CRUD operations) & for that I am using JSONRPC-S module (JSONRPC over HTTP). But like other modules e.g. dispatcher, location I am unable to find any RPC commands for doing subscriber management (checked in auth_db) module. So is there a way to achieve subscriber management using JSONRPC over HTTP. Few HTTP examples which I am using for dispatcher module are given below. Similar commands I am looking for subscriber management as well. curl http://localhost:8081/RPC -H "Content-Type: application/json" -d " {\"jsonrpc\":\"2.0\",\"method\":\"dispatcher.add\", \"params\":[2, \"sip:127.0.0.1:5061\"], \"id\": \"1\"}" curl http://localhost:8081/RPC -H "Content-Type: application/json" -d " {\"jsonrpc\":\"2.0\",\"method\":\"dispatcher.remove\”, \"params\":[2, \"sip:127.0.0.1:5061\"], \"id\": \"1\"}" Surabhi Garg Mobile - 91 783 888 7523 __________________________________________________________ Kamailio - Users Mailing List - Non Commercial Discussions * sr-users(a)lists.kamailio.org Important: keep the mailing list in the recipients, do not reply only to the sender! Edit mailing list options or unsubscribe: * https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users

2 2

DMQ_USRLOC module and calls
by Social Boh 13 Jul '21

13 Jul '21

Hello, I'm testing DMQ_USRLOC modulo between two Kamailio servers (A) and (B) The two servers share the same domain and using Amazon Route53 to distributes 50% requests each Server. The problem is when I try to make a call from user A (registered on kamailio A) and the user B (registered on Kamailio B). The call follow this flow: User A --> KamailioA --> UserB go directly to userB because KamailioA know, via DMQ_USRLOC IP and port of UserB. With some Softphone the call work with audio without problem; with other Softphone USERB never answer the INVITE sends from Kamailio. Is it possible use this flow? USER A --> KamailioA --> KamailioB --> User B to resolve this kind of problem or is there other available option? Thank you -- --- I'm SoCIaL, MayBe

5 15

Change routing for Register
by H Yavari 13 Jul '21

13 Jul '21

Hi to all, In a scenario, we need to change the destination of users' registration requests when they send the first 'Register' to Kamailio-A and it replies 401 to the user, next time the user sends 'Register' to Kamailio-B. User------Register-------> Kamailio-A User<-----401--------------Kamailio-A User-------Register--------> Kamailio-B RFC says we can't use the Record-Route for register because it doesn't create a dialog.Is there any option, header that Kamailio-A puts in the 401, and after that users send register to the Kamailio-B? Thank you.BR,Hossein

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